Quick answer You can start phlebotomy training while finishing high school, and with some certifications you can take the exam before you graduate. The National Healthcareer Association (NHA), for example, accepts candidates who are scheduled to earn a high school diploma within the next 18 months. Rules vary by certifying organization. At Career Prep, students build toward the credential while earning their diploma.
Here’s the reality: Training and certification are two different steps
People often use the two words as if they mean the same thing. Training is the coursework and hands-on practice that teaches you how to draw blood safely. Certification is a separate credential, awarded after you pass an exam from a certifying organization.
The Bureau of Labor Statistics (BLS) says phlebotomists typically enter the field with a certificate from a postsecondary phlebotomy program, and that employers may prefer candidates with professional certification. Some employers also hire people with a high school diploma and train them on the job. That is why the order of the two steps matters.
Each certifying organization sets its own rules. For one widely used credential, the National Healthcareer Association’s Certified Phlebotomy Technician (CPT), NHA does not list a minimum age. Candidates need a high school diploma or equivalent, or must be scheduled to earn one within the next 18 months, which NHA calls a provisional certification. They also need a completed phlebotomy training program or qualifying work experience, plus documented hands-on experience: 30 venipunctures and 10 capillary or finger sticks on live individuals. Other organizations have different requirements, so check the rules for the exact credential you want.
What this actually looks like: Starting before you graduate
Because the exam has its own eligibility rules, a phlebotomy certification does not always line up with graduation day. The part that takes time is the training, and that can happen during high school. For the NHA credential, a student within 18 months of graduating may be able to sit for the exam before they finish. For credentials that require a diploma first, a student who trained early is ready to test as soon as they graduate.
Career Prep High School is a free public charter high school in Ohio for students ages 15 to 21. Its Healthcare pathway lists phlebotomy among the certifications students can earn, alongside a State of Ohio recognized diploma, and the school says students never pay fees or tuition for education or certification testing. Coursework is self-paced, and teachers and mentors check your progress.
The exact timing of the exam depends on the certifying organization’s eligibility rules, so ask your campus when students sit for it. Which certifications are available also depends on the campus. You can find yours on the Career Prep locations page.
This is where most people get it wrong: they think the choice is school or a career
Some people assume the fastest route into phlebotomy is to skip finishing school and sign up for a stand-alone program later. Others assume they have to wait until after graduation to begin. There is another option. A diploma meets the education requirement for many certifications, and training during high school means you are not starting from zero when you become eligible for the exam.
A GED also meets that requirement for many exams, and it is a legitimate credential. The difference is what you leave with. A GED checks a box, and a diploma with a career credential opens doors.
Questions to ask before you commit
Whichever program you choose, get clear answers to these:
- Which organization awards the certification, and what are its age and diploma rules?
- When would I be able to sit for the exam?
- Are training and testing fees covered, or do I pay them?
- Do I need documented hands-on hours, and how does the program help me complete them?
- What does my state require to work as a phlebotomist?
A program that answers all five clearly is one you can plan around. A vague answer to any of them is worth following up on.
Here’s what the next step looks like
Cross the stage with a diploma and a plan. You can apply now and your campus team will reach out to set up a visit. Bring the five questions above and ask which healthcare certifications your campus offers. You will get a straight answer.
Not ready yet? That is fine. Get more info and talk to someone first.
Frequently Asked Questions
Can you earn a phlebotomy certification while finishing high school?
You can start phlebotomy training while finishing high school, and depending on the certification, you may be able to take the exam before you graduate. NHA’s Certified Phlebotomy Technician exam, for example, accepts candidates who are scheduled to earn a high school diploma within the next 18 months. Ask your program which organization awards the certification and when students sit for it.
Do you have to be 18 to get phlebotomy certified?
Not for every certification. NHA does not list a minimum age for its Certified Phlebotomy Technician credential. Other certifying organizations and employers set their own rules. Check the rules for the exact credential you want.
Do you need a high school diploma to take the phlebotomy certification exam?
For many exams, yes. A high school diploma or equivalent is a common requirement. NHA also accepts candidates who are scheduled to earn their diploma within the next 18 months. Some employers also hire phlebotomists with a diploma and on-the-job training.
Is phlebotomy certification required to work as a phlebotomist?
Not always. BLS says employers may prefer certified candidates, and some hire people with a high school diploma and train them on the job. Requirements vary by state and employer.
Does Career Prep charge for phlebotomy training or certification testing?
No. Career Prep says students never pay fees or tuition, and all education and career certifications are provided free of charge.
